| Patent Number |
Title Of Patent |
Date Issued |
| D291442 |
Computer |
August 18, 1987 |
|
| D284869 |
Electronic calculator |
July 29, 1986 |
|
| D282844 |
Personal computer |
March 4, 1986 |
|
| D282843 |
Portable electronic computer |
March 4, 1986 |
|
| D282259 |
Computer disc drive |
January 21, 1986 |
|
| D282256 |
Acoustically coupled modem |
January 21, 1986 |
|
| D281426 |
Keyboard for an electronic computer |
November 19, 1985 |
|
| D281322 |
Electronic printer |
November 12, 1985 |
|
| D280527 |
Ink roller set |
September 10, 1985 |
|
| D279781 |
Portable personal computer |
July 23, 1985 |
|
| D279728 |
Carrying case |
July 23, 1985 |
|
| D279580 |
Portable electronic calculator |
July 9, 1985 |
|
| D279292 |
Electronic printer |
June 18, 1985 |
|
| D276039 |
Automotive instrument panel |
October 23, 1984 |
|
| D275499 |
Ink ribbon cartridge |
September 11, 1984 |
|
| D275296 |
Ink ribbon cartridge |
August 28, 1984 |
|
| D274431 |
Electronic printer |
June 26, 1984 |
|
| D272352 |
Electronic printer |
January 24, 1984 |
|
| 6674423 |
Drive unit and liquid crystal device |
January 6, 2004 |
| It is an object to provide a drive unit capable of properly responding to an access request from a microprocessor side and an access request from a display section side, and further of realizing a high-speed operation and a low power consumption operation. When an MPU access request from |
| 5518373 |
Compressor start-up controller |
May 21, 1996 |
| A compressor start-up controller includes a compressing section (37-39) for compressing a refrigerant; a motor (25) connected to the compressing section for rotating the compressing section; a drive circuit (10) connected to the motor for driving the motor; a rotation detecting device |
| 4806955 |
Ink jet printer of the ink-on-demand type |
February 21, 1989 |
| An ink-on-demand type ink jet printer includes a printer head having at least one nozzle, pressure chamber and means for pressurizing an ink in the pressure chamber so as to effect ejection of an ink droplet from a nozzle to effect printing during a printing operation. The printer furthe |
| 4617581 |
Ink jet printer of the ink-on-demand type |
October 14, 1986 |
| An ink-on-demand type ink jet printer having a printer head. The printer head includes a substrate having a substantially planar surface and an opposing substantially planar surface and a vibratory plate having a cooperating substantially planar surface. The planar surfaces cooperate to |
| 4597635 |
Liquid crystal display device and a method of manufacturing the same from a folded plastic sheet |
July 1, 1986 |
| A liquid crystal display device formed from a flexible substrate sheet having two driving electrode patterns disposed on one surface of the sheet is provided. The sheet is treated for orientation and folded along a fold line between the electrode patterns. The electrode patterns overlap |
| 4589000 |
Ink jet printer of the ink-on-demand type |
May 13, 1986 |
| An ink-on-demand type ink jet printer includes an ink jet head assembly having a printer head and an ink container integrally joined to the printer head. The printer head includes a pressure chamber and ink supply and ejection flow passages communicating respectively therewith. The ink |
| 4579468 |
Wire dot printer utilizing multicolor inks |
April 1, 1986 |
| A wire dot printer having a plurality of ink applicators for separately applying inks of different colors to the ends of printing wires disposed in separate groups in the ink applicators. The ink applicators are supplied respectively with inks of different colors for effecting multic |
| 4577931 |
Liquid crystal composition |
March 25, 1986 |
| Liquid crystal display devices including liquid crystal compositions of cyclohexanecarboxylic esters and esters having an acyloxyl group have excellent time-sharing characteristics, low duty ratio and driving voltage. |
| 4577203 |
Ink jet recording apparatus |
March 18, 1986 |
| An ink jet recording apparatus for projecting ink onto a recording medium. The apparatus includes an ink jet head adapted to receive ink having an ejection nozzle for ejecting ink towards said recording medium. An ink tank means stores ink and supplies the stored ink to the ink jet head. |
| 4572681 |
Wire dot print head |
February 25, 1986 |
| The printing head for a wire-type dot printer includes a plurality of electromagnetic coils, a wire, a permanent magnet, and a leaf spring. The arrangement of the wire and the leaf spring allows the print head to operate stably during high-speed operation. The wire dot print head has a |
| 4571102 |
Ribbon mask device |
February 18, 1986 |
| A printing device for use in a wire dot printer having a plurality of printing wires. The printing device includes a frame and a carriage slideably supported on the frame for lateral translation thereacross. A print head is supported on the carriage and includes a nose portion which |
| 4567448 |
Variable frequency oscillator |
January 28, 1986 |
| A variable frequency oscillator circuit adapted for stabilization of its free-running frequency comprises a first signal synthesizing circuit, first voltage-controlled oscillator, a phase-locked loop and reference signal generator, the phase-locked loop consisting of a second signal |
| 4565461 |
Pitch-changeable, cam-actuated paper feed for serial printer |
January 21, 1986 |
| The printer includes a print head moveable in a lateral direction perpendicular to the feeding direction of a sheet of recording paper. The print head is supported on a carriage which is reciprocably driven. Different paper feed pitches are selectable depending upon the lateral posit |
| 4553865 |
Ink-supplied wire dot printer |
November 19, 1985 |
| A wire dot printer comprises a plurality of wires for carrying ink respectively on the ends thereof, and ink applicator mechanism applying the ink to the wire, and an ink heater unit disposed adjacent to the wire ends for heating the ink to a controlled temperature level. The ink is |
| 4550980 |
Liquid crystal composition and display element including same |
November 5, 1985 |
| A liquid crystal composition suitable for use as a host in a guest-host type liquid crystal display element including a dichroic dye as a guest is provided. The composition includes at least one liquid crystal compound represented by each of the following general formulas: ##STR1## |
| 4546362 |
Low voltage ink-jet printhead |
October 8, 1985 |
| An ink-jet printer head comprises a piezoelectric element, a pressurization chamber coupled to the piezoelectric element for containing ink therein, and a nozzle communicating with the pressurization chamber, the piezoelectric element being deformable upon application of a drive voltage |
| 4534665 |
Serial printer |
August 13, 1985 |
| A multicolor serial printer has a color switching means interposed between an end of a carriage and type wheels having a group of first-color printing types and a group of second-color printing types. The color switching means has first-color and second color printing stepped surfaces |
| 4533924 |
Mechanism for selecting pen in an X-Y plotter |
August 6, 1985 |
| A pen changer for use in an X-Y plotter which plots on a paper. The pen changer includes a frame and a shaft supported thereon. The carriage is supported on the shaft and guided thereby. The carriage includes a plurality of recording pens. The pen changer includes a frame and a shaft |
| 4526818 |
Liquid crystal display panel and process for the production thereof |
July 2, 1985 |
| A liquid crystal display panel having uniform cell thickness is composed of a first substrate and a second opposed substrate where each substrate has cooperating electrodes selectively disposed on the interior surfaces thereof. At least one of the substrates is a laminate of two flexible |
| 4525728 |
Ink jet recording head |
June 25, 1985 |
| An on-demand type ink jet recording head. The ink jet recording head includes a substrate having a plurality of pressurization chambers of substantially rectangular configuration disposed thereon. Ink supply passages and nozzles are provided for each pressurization chamber. Each pres |
| 4525085 |
Serial printer |
June 25, 1985 |
| The print head of a serial printer includes a protruding plug which is seated and locked into a receptacle on a translating carriage. An endless belt has teeth engaged in a correspondingly contoured groove of the carriage for positive connection between carriage and belt, whereby the |
| 4522470 |
Liquid crystal composition and display device |
June 11, 1985 |
| Liquid crystal compositions for use in multiplex operations have a positive dielectric anisotropy of about 0.10 to about 0.12. Liquid crystal display devices having cell thicknesses of about 4 to 6 microns incorporate such liquid crystal compositions and operate at a duty ratio of 1/16 a |
| 4520374 |
Ink jet printing apparatus |
May 28, 1985 |
| An ink jet printing apparatus which ejects ink towards a recording medium. The apparatus includes a nozzle having a plurality of nozzles and a plurality of pressurization chambers. Each nozzle orifice is in fluid communication with one of the pressurization chambers. An ink supply sy |
| 4518269 |
Serial printer |
May 21, 1985 |
| The print head of a serial printer includes a protruding plug which is seated and locked into a receptacle on a translating carriage. An endless belt has teeth engaged in a correspondingly contoured groove of the carriage for positive connection between carriage and belt, whereby the |
| 4500892 |
Serial thermal printer |
February 19, 1985 |
| A serial printer for printing on a thermosensitive recording medium. The printer includes a frame having a carriage supported thereon for lateral movement across the recording medium. A thermal print head is supported on the carriage for lateral displacement therewith for printing on the |
| 4500023 |
Paper feeding apparatus for printers |
February 19, 1985 |
| A paper feeding apparatus for use in a printer is capable of feeding both continuous computer or fan-fold paper having holes in the peripheral edges thereof and single sheets of paper such as letter paper. The paper feeding apparatus includes a frame having a platen rotatably supported t |
| 4492484 |
Improved ribbon mask and guide for wire dot printers |
January 8, 1985 |
| A printing device for use in a wire dot printer having a plurality of printing wires. The printing device includes a frame and a carriage slidably supported on the frame for lateral translation thereacross. A printing head is supported on the carriage and includes a nose member which |
| 4491046 |
Paper cutting device for a printer |
January 1, 1985 |
| A paper cutting device for use in a printer for cutting off a sheet of recording paper. A first cutter blade is supported on a frame of the device and a second cutter blade pivotably supported on the frame is movable over the first cutter blade to cut off a section of the recording p |
| 4489334 |
Immersible oxygen absorbing capsule for ink jet fluid supply |
December 18, 1984 |
| An oxygen absorbing capsule containing an oxygen absorbing material for use in an ink jet printing device is provided. The capsule wall is formed of a resinous material insoluble in the ink composition, but having a large permeability to gases so that oxgyen may be absorbed from the solu |
| 4487481 |
Backlighted liquid crystal display |
December 11, 1984 |
| A liquid crystal display panel having a backlight for providing high brightness, uniformity of illumination intensity, small thickness, high efficiency and which can be manufactured at a low cost. The display device includes a liquid crystal display panel, a light source for illuminating |
| 4471363 |
Method and apparatus for driving an ink jet printer head |
September 11, 1984 |
| In the demand-type ink jet printer head driving method and apparatus a predetermined voltage is applied to an electromechanical conversion device in a preliminary step to displace the wall of an ink pressure chamber inwardly. This decreases the volume of the pressure chamber without |
| 4465959 |
Step motor drive control |
August 14, 1984 |
| A drive control system for a step motor. The system includes a detector for detecting when the step motor is central between step positions of the step motor and for producing a timing signal representative of the central position of the step motor. Motor drive coils selectively driven b |
